<template>
  <div class="header">
    <div class="nav-topbar">
      <div class="container">
        <div class="topdar-menu">
          <a href="/">小米商城</a>
          <a href="javascript:;">MUI</a>
          <a href="javascript:;">云服务</a>
          <a href="javascript:;">协议规则</a>
        </div>
        <div class="topdar-user">
          <a href="javascript:;" v-if="username">{{ username }}</a>
          <a href="javascript:;" v-if="!username" @click="login()">登录</a>
          <a href="javascript:;" v-if="username" @click="logout()">退出</a>

          <a href="/#/order/list" v-if="username">我的订单</a>
          <a href="javascript:;" class="my-cart">
            <span class="icon-cart" @click="goToCart()"></span> 购物车{{
              cartCount
            }}</a
          >
        </div>
      </div>
    </div>
    <div class="nav-header">
      <div class="container">
        <div class="header-log">
          <a href="/#/index"></a>
        </div>
        <div class="header-menu">
          <div class="item-menu">
            <span>小米手机</span>
            <div class="childern">
              <ul>
                <li
                  class="product"
                  v-for="(item, index) in phoneList"
                  :key="index"
                >
                  <!--传入id  -->
                  <a v-bind:href="'/#/product/' + item.id" target="_blank">
                    <div class="pro-img">
                      <img v-lazy="item.mainImage" :alt="item.subtitle" />
                    </div>
                    <div class="pro-name">{{ item.name }}</div>
                    <div class="pro-price">{{ item.price | currency }}元</div>
                  </a>
                </li>
              </ul>
            </div>
          </div>
          <div class="item-menu">
            <span>RedMi红米</span>
            <div class="childern"></div>
          </div>
          <div class="item-menu">
            <span>电视</span>
            <div class="childern">
              <ul>
                <li class="product">
                  <a href="" target="_blank">
                    <div class="pro-img">
                      <img v-lazy="'/imgs/nav-img/nav-3-1.jpg'" alt="" />
                    </div>
                    <div class="pro-name">小米电视 E5 2020款</div>
                    <div class="pro-price">6999元</div>
                  </a>
                </li>
                <li class="product">
                  <a href="" target="_blank">
                    <div class="pro-img">
                      <img v-lazy="'/imgs/nav-img/nav-3-2.jpg'" />
                    </div>
                    <div class="pro-name">小米电视ES6</div>
                    <div class="pro-price">399元</div>
                  </a>
                </li>
                <li class="product">
                  <a href="" target="_blank">
                    <div class="pro-img">
                      <img v-lazy="'/imgs/nav-img/nav-3-3.png'" />
                    </div>
                    <div class="pro-name">小米电视 ES55 2022款</div>
                    <div class="pro-price">3399元</div>
                  </a>
                </li>

                <li class="product">
                  <a href="" target="_blank">
                    <div class="pro-img">
                      <img v-lazy="'/imgs/nav-img/nav-3-4.jpg'" alt="" />
                    </div>
                    <div class="pro-name">小米电视 ES55 2022款</div>
                    <div class="pro-price">3399元</div>
                  </a>
                </li>

                <li class="product">
                  <a href="" target="_blank">
                    <div class="pro-img">
                      <img
                        v-lazy="
                          'https://cdn.cnbj1.fds.api.mi-img.com/mi-mall/c40ca118f075d39c5b7c2ee30cccddc4.png?thumb=1&w=160&h=110&f=webp&q=90'
                        "
                        alt=""
                      />
                    </div>
                    <div class="pro-name">小米电视 ES55 2022款</div>
                    <div class="pro-price">3399元</div>
                  </a>
                </li>

                <li class="product">
                  <a href="" target="_blank">
                    <div class="pro-img">
                      <img v-lazy="'/imgs/nav-img/nav-3-5.jpg'" alt="" />
                    </div>
                    <div class="pro-name">小米电视 ES55 2022款</div>
                    <div class="pro-price">3399元</div>
                  </a>
                </li>
              </ul>
            </div>
          </div>
        </div>
        <div class="header-search">
          <div class="warpper">
            <input type="text" name="keyword" />
            <a href="javascript:;"></a>
          </div>
        </div>
      </div>
    </div>
  </div>
</template>
<script>
import { mapState } from "vuex";
export default {
  name: "nav-header",
  data() {
    return {
      // username:this.$store.state.username,
      phoneList: [],
    };
  },
  computed: {
    //  username(){
    //    return this.$store.state.username;
    //  },
    //  cartCount(){

    //   // return this.$store.state.cartCount;

    //  }

    ...mapState(["username", "cartCount"]),
  },
  filters: {
    //过滤器
    currency(val) {
      if (!val) return "0.00";
      return "￥" + val.toFixed(2) + "元";
    },
  },
  mounted() {
    this.getProductList();
    let params = this.$route.params;
    if (params && params.from == "login") {
      this.getCartCout();
    }
  },
  methods: {
    login() {
      this.$router.push("/login");
    },
    getProductList() {
      this.axios
        .get("/products", {
          params: {
            categoryId: "100012",
            pageSize: 6,
          },
        })
        .then((res) => {
          // console.log(res);
          //发送请求，后判断前6个数组渲染
          if (res.list.length >= 6) {
            // slice 前6个数组
            this.phoneList = res.list.slice(0, 6);
            // console.log('11111');
            // console.log(res.list.slice(0,6));
          }
        });
    },
    // 添加购物车
    getCartCout() {
      this.axios.get("/carts/products/sum").then((res) => {
        //to-do保存到vuex里面
        this.$store.dispatch("saveCartCount", res);
      });
    },
    //退出登录
    logout() {
      this.axios.post("/user/logout").then((res) => {
        this.$message.success("退出成功");
        this.$cookie.set("userId", "", { expires: "-1" }); //清除哈cookie保存的用户名
        this.$store.dispatch("saveUserName", ""); //清除vuex里面变量保存到用户名
        this.$store.dispatch("saveCartCount", "0"); //清除vuex里面变量保存到用户名
      });
    },
    goToCart() {
      this.$router.push("/cart");
      // 跳转购物车页面
      //$router
    },
  },
};
</script>
<style lang="scss" >
@import "./../assets/scss/base.scss";
@import "./../assets/scss/mixin.scss";
@import "./../assets/scss/config.scss";
.header {
  .nav-topbar {
    height: 39px;
    line-height: 39px;
    background-color: #333333;
    color: #b0b0b0;
    .container {
      @include flex();
      a {
        display: inline-block;
        color: #b0b0b0;
        margin-right: 17px;
      }
      .my-cart {
        width: 110px;
        background-color: #ff6600;
        text-align: center;
        color: #ffffff;
        margin-right: 0;
        .icon-cart {
          margin-right: 4px;
          @include bgImg(16px, 12px, "/imgs/icon-cart-checked.png");
        }
      }
    }
  }
  .nav-header {
    .container {
      // z-index:11;
      position: relative;
      height: 112px;
      @include flex();
      // .header-log {
      //   display: inline-block;
      //   width: 55px;
      //   height: 55px;
      //   background-color: #ff6600;
      //   a {
      //     display: inline-block;
      //     width: 110px;
      //     height: 55px;
      //     &:before {
      //       content: "";
      //       transition: margin 0.2s;
      //       @include bgImg(55px, 55px, "/imgs/mi-logo.png", 55px);
      //     }
      //     &:after {
      //       content: "";
      //       display: inline-block;
      //       @include bgImg(55px, 55px, "/imgs/mi-home.png", 55px);
      //     }
      //     &:hover::before {
      //       margin-left: -55px;
      //       transition: margin 0.2s;
      //     }
      //   }
      // }
      .header-menu {
        display: inline-block;
        width: 643px;
        padding-left: 209px;
        .item-menu {
          display: inline-block;
          color: #333333;
          font-weight: bold;
          font-size: 16px;
          line-height: 112px;
          margin-right: 20px;
          span {
            cursor: pointer;
          }
          &:hover {
            color: $colorA;
            .childern {
              height: 220px;
              opacity: 1;
            }
          }
          .childern {
            position: absolute;
            top: 112px;
            left: 0;
            width: 1226px;
            height: 0px;
            overflow: hidden;
            opacity: 0;
            border-top: 1px solid #e5e5e5;
            box-shadow: 0px 7px 6px 0px rgba(0, 0, 0, 0.11);
            z-index: 10;
            transition: all 0.5s;
            background-color: #ffffff;

            .product {
              position: relative;
              float: left;
              width: 16.6%;
              height: 220px;
              font-size: 12px;
              line-height: 12px;
              text-align: center;
              a {
                display: inline-block;
              }
              img {
                width: auto;
                height: 111px;
                margin-top: 26px;
              }
              .pro-img {
                height: 137px;
              }
              .pro-name {
                font-weight: bold;
                margin-top: 19px;
                margin-bottom: 8px;
                color: $colorB;
              }
              .pro-price {
                color: $colorA;
              }
              &:before {
                content: "";
                position: absolute;
                top: 28px;
                right: 0;
                border-left: 1px solid $colorF;
                height: 100px;
                width: 1px;
              }
              &:last-child:before {
                display: none;
              }
            }
          }
        }
      }
      .header-search {
        width: 319px;
        .warpper {
          height: 50px;
          border: 1px solid #e0e0e0;
          display: flex;
          align-items: center;
          input {
            border: none;
            box-sizing: border-box;
            border: right 1px solid #e0e0e0;
            width: 264px;
            height: 50px;
            padding-left: 14px;
          }
          a {
            margin-left: 17px;
            @include bgImg(18px, 18px, "/imgs/icon-search.png");
          }
        }
      }
    }
  }
}
</style>
